Alkaloidal products of cellular life 1 Ptomaines 4 Physiological action 5 Extraction 5 Classification, etc. 7 Leucomaines 10 Xanthic leucomaines 12 Creatinic leucomaines 13 Neurinic leucomaines 13 Indeterminate leucomaines 14 CHAPTER II. TOXINS AND ANTITOXINS. Toxins 15 Action of pathogenic bacteria 16 Action of toxins 17 Nature of toxins 18 Origin of toxins 20 Autointoxications 21 General mode of action 23 Constitution of toxins; Ehrlich's theory 24 Means of defense possessed by the organism against the action of toxins 28 Pasteur's vaccination method 30 Virus action 30 Phagocytosis 32 Antitoxins 33 Mode of action 35 Formation; Ehrlich's theory 38 Serotherapy 41 PART II. _THE TOXINS PROPER._ CHAPTER III. I. VEGETABLE AND ANIMAL TOXINS. 42 Abrin 42 Ricin 44 Robin 45 Toxicity of the vegetable diastases 45 II. TOXINS FROM MUSHROOMS 46 Phalline 48 Symptomatology 49 Antidiastases 51 III. ANIMAL TOXINS 53 Peptotoxin 53 Alimentary Intoxications 55 Urinary toxins 57 Variation of urinary toxicity 59 Autointoxications (animal) 60 Glandular secretions 62 Suprarenal capsules 63 CHAPTER IV. THE MICROBIAL TOXINS. Pyogenic and pyretogenic properties 66 Anthrax toxin 67 Tubercular toxin 69 Diphtheria toxin 71 Tetanus toxin 76 Mallein 79 Typhoid toxin 80 Cholera toxin 82 CHAPTER V. THE VENOMS.